| 1 | /* Implementation of __nss_parse_line_result. | 
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| 2 | Copyright (C) 2020 Free Software Foundation, Inc. | 
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| 3 | This file is part of the GNU C Library. | 
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| 4 |  | 
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| 5 | The GNU C Library is free software; you can redistribute it and/or | 
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| 6 | modify it under the terms of the GNU Lesser General Public | 
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| 7 | License as published by the Free Software Foundation; either | 
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| 8 | version 2.1 of the License, or (at your option) any later version. | 
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| 9 |  | 
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| 10 | The GNU C Library is distributed in the hope that it will be useful, | 
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
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| 13 | Lesser General Public License for more details. | 
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| 14 |  | 
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| 15 | You should have received a copy of the GNU Lesser General Public | 
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| 16 | License along with the GNU C Library; if not, see | 
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| 17 | <https://www.gnu.org/licenses/>.  */ | 
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| 18 |  | 
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| 19 | #include <nss_files.h> | 
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| 20 |  | 
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| 21 | #include <assert.h> | 
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| 22 | #include <errno.h> | 
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| 23 |  | 
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| 24 | int | 
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| 25 | __nss_parse_line_result (FILE *fp, off64_t offset, int parse_line_result) | 
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| 26 | { | 
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| 27 | assert (parse_line_result >= -1 && parse_line_result <= 1); | 
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| 28 |  | 
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| 29 | switch (__builtin_expect (parse_line_result, 1)) | 
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| 30 | { | 
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| 31 | case 1: | 
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| 32 | /* Sucess.  */ | 
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| 33 | return 0; | 
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| 34 | case 0: | 
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| 35 | /* Parse error.  */ | 
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| 36 | __set_errno (EINVAL); | 
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| 37 | return EINVAL; | 
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| 38 | case -1: | 
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| 39 | /* Out of buffer space.  */ | 
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| 40 | return __nss_readline_seek (fp, offset); | 
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| 41 |  | 
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| 42 | default: | 
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| 43 | __builtin_unreachable (); | 
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| 44 | } | 
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| 45 | } | 
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| 46 | libc_hidden_def (__nss_parse_line_result) | 
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| 47 |  | 
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